noun. a cumulus cloud at an intermediate altitude of 2 or 3 miles.
- altocumulus cloud
- cumulus cloud
Example sentences of the word altocumulus
1. Noun, singular or mass
One type of alto cloud is the altocumulus.
2. Coordinating conjunction
Clouds may be altocumulus or cirrocumulus if they form at higher altitudes, while those that form near the ground and remain small are cumulus humilis, or fair-weather cumulus clouds.
Middle clouds such as altostratus and altocumulus refer to those that occur at approximately 10,000 feet.